Hot-water heater.



PATENTED AUG. 23, 1904.

' G. G. LONGARD.

HOT WATER HEATER.

APPLICATION FILED AUG. 17. 1903.

3 SHEETS-SHEET 1' N0 MODEL.

[NVENTOR WITNESSES.-

3 SHEETS-SHEET 2.

' INVENTOR PATENTED AUG. 23, 1904. C. G. LONGARD. HOT WATER HEATER.

APPLICATION 1 11.31) we. 17. 1903.

n0 MODEL WITNESSES.-

No. 768,385. .1 PATENTEIDAUGJB, 1904. 'G.G.LONGARD.

4 HOT WATER HEATER.

APPLICATION FILED AUG. 17. 1903.

a SHEETS-SHEET 3.

[NVENTOR WITNESSES:

UNITED STATES Patented August 23, 1904.

PATENT OFF CE.

HOT-WATER HEATER.

SPECIFICATION forming part of Letters Patent No. 768,385, dated August 23, 1904. Application filed August 1'7, 1903. Serial No. 169,821. (No model.)

To all whom it may concern;

Be it known that I, CLARENCE C. LoNGA'RD, a citizen of Canada, residing at Halifax, in the Province of Nova Scotia and Dominion of Canada, have invented new and useful Improvements'in Hot-Water Heaters, of which the following is a specification.

My invention pertains to hot-water heaters z'. 6., heaters for use in hot-water heating systems; and it has for its general object to provide a simple and compact water-heater possessed of large capacity and embodying water-holding sections so constructed and-arranged that any section may be readily removed when burned out or broken. and as readily replaced with a new section without affecting the other sections.

The invention will be fully understood from the following description and claims when taken in connection with the accompanying drawings, in which Figurel is a front elevation of the waterheater constituting the preferred embodiment of my invention; Fig. 2, a longitudinal vertical section of the same; Fig. 3, a transverse section; Fig. 4:, a side elevation of one of the side water-holding sections of the heater removed; Fig. 5, a front elevation of the same, and Fig. 6 an enlarged diametrical section of one of the right and-left threaded nipples employed to detachably connect the side waterholding sections and the headers of the heater.

Similar letters designate corresponding parts in all of the several views of the drawings, referring to which- A is the casing of the heater,which is preferably of brick and is provided with the usual opening a for the removal of ashes and a door Z2, controlling said opening.

B is the ash-pit, C the combustion-chamber, and D the gate separating the ash-pit from the combustion-chamber.

ranged close together, so as to form the top wall of the chamber and detachabl y connected through the medium of interposed nipples N to the upper header J, lower horizontal portions f, reduced in width as com-pared with the portions d and c, Fig. 5, to afford draftpassages between them and detachably connected by interposed unions N to the lower header H, and intermediate portions 9, also reduced in width as compared with the portions (Z and c, communicating at their ends with the portions (Z and c. The lower portions f of the said sections L are preferably arranged immediately below the grate D, as shown; but I desire it understood that said portions may be arranged above the grate without involving departure from the scope of. my invention; also, that in some cases the grate may be omitted and the portions f of the sections L used to perform the functions thereof.

The auxiliary side sections M comprise short upright portions cl and upper portions which are similar to the portions 6 of the sections L and are similarly connected to the upout injuring or otherwise affecting the other sections or the connections thereof, also that if there 1s no new section at hand when an impaired section is removed the holes may be plugged and the heater used until a new section is received.

N N are horizontal partition-wallsarranged between the side walls of the combustionchambcr and those of the casing A and extending from the back wall of the casing to points adjacent to the front wall thereof, as shown in Figs. 2 and 3. P P are flues below said walls N; Q, a flue connecting the opening in wall G and the flues P; R, a pocket arranged below the flue Q and having for its purpose to catch and hold soot and the like; S, a flue disposed above the combustion-chamber C and the walls N and communicating with the flues P at the forward ends of said walls. and T a smoke-pipe leading from the said flue S. I

In the practical operation of my improved heater the flames and other products of combustion pass from the combustion-chamber C to the smoke-pipe T through the opening 0 in wall G, the flue Q, the flues P, and the flue S in the order named. In virtue of the flames and highly-heated gases taking this course it will be observed that they act against both the inner and the outer sides of the sections L and the header J to heat the water therein.

The water to be heated enters the lower header H from the return-pipe I of the hotwater system and circulates from said header through the sections L to the upper header J, from whence it passes through the flowpipe K to the radiators of the system. ater also passes from the upper header J into the hollow sections M, so as to be heated by the flames and gases immediately subsequent to the passage of the same through the opening 0, and it will further be observed that water circulates from the lower header to the upper header through the hollow walls F G G. This latter is particularly advantageous, since it increases the capacity of the heater, and at the same time enables the walls F and G to prevent the radiation of heat from the heater, and thereby obviates the necessity of employing brick linings at the ends of the heater.

It will be readily appreciated from the foregoing that in virtue of both of the headers H J being subject to the direct action of the fire the capacity of the heater is materially increased: also, that the central arrangement of the two headers is materially advantageous, since it assures equal circulation through the sections at either side of the combustion-chamber and the walls F, G, and G.

The inwardly-directed lower portions f of the sections L admit of the employment of a single lower header located in the center of the combustion-chamber, while the arrangement of the said lower header flush with the grate is advantageous, since such arrangement facilitates cleaning of the fire.

Notwithstanding its advantages as pointed out in the foregoing it will be noticed that my improved heater is extremely simple and compact and embodies no parts likely to get out of order after a short period of use.

The intermediate portions of the sections L are preferable, but not essential, and may therefore be omitted when desired without involving departure from the scope of my invention.

I have entered into a detailed description of the construction and relative arrangen'ient of the parts embraced in the present and preferred embodiment of my invention in order to impart a full, clear, and exact understanding of the same. I do not desire, however, to be understood as confining myself to such specitic construction and relative arrangement of parts, as such changes or modifications may be made in practice as fairly "fall within the scope of my invention as claimed.

Having described my invention, what 1 claim, and desire to secure by Letters Patent, is-

1. A water-heater comprising a casing, hollow side sections in the casing, forming the side walls of a combustion-chamber, a flue disposed in rear of the combustion-chainber and connected with the same, side flucs, between the outer sides of the side section and the side walls of the casing, leading forwardly from the first-mentioned flue, and a top flue communicating with the side flues at the forward ends thereof; said top flue being formed between the tops of the sidescctions and the top wall of the casing, and being adapted to lead to a smoke-stack.

2. A water-heater comprising a casing, hollow side sections in the casing, forming the side walls of a combustion-chamber, and having inwardly-directed, hollow upper portions, a header interposed between the said upper portions of the side sections and serving in connection with the same to form the top wall of the combustion-chainber, a flue disposed in rear of the combustion-chamber and connected with the same, side lines, between the outer sides of the side sections and the side walls of the casing, leading forwardly from the lirstmentioned flue, and a top flue communicating with the side flues at the forward ends there of; said top flue being formed between the inwardly-directed upper portions of the side sections and the heade and the top wall of the casing, and being adapted to lead to a smoke-pipe.

3. A water-heater comprising a casing, hollow side sections in the casing, forming the side walls of a combustion-chamber, and having inwardly-directed, hollow upper portions, a header interposed between the said upper portions of the side sections and serving in connection with the same to form the top wall of the combustion-cliamber, a flue disposed in rear of the combustion-chmnber and connected with the same, a hollow back wall adapted to hold water, a hollow front wall also adapted to hold water, side lines, between the outer said top flue being formed between the outer side of the top of the combustion-chamber and the top wall of the casing, and being adapted to lead to a smoke-pipe.

4;. In a water-heater, the combination of hollow side sections forming the side walls of a combustion-chamber, and having inwardlydirected lower and upper portions, a longitudinal central lower header interposed between and connected to the lower inwardlydirected portions of the side sections; said lower header and inwardly-directed lower portions of the side sections forming the bottom wall of the combustion-chamber, and being in direct contact with the interior thereof, and a longitudinal central upper header interposed between and connected to the upper inwardly directed portions of-said side sections; said upper header and inwardly-directed upper portions of the side sections forming the top J wall of the combustion-chamber, and being in direct contact with the interior thereof.

5. In a water-heater, the combination of hollow side sections forming the side walls of a r I ,Witnesses:

EDMUND S. ALLISON, J OHN T. Ross.

combustion-chamber, and having inwardlydirected lower and upper portions, a longitudinal central lower header interposed be-.

tween the ends of the lower inwardly-directed portions of the side sections; said lower header and inwardly-directed lower portions of the side sections forming the bottom wall of the combustion-chamber, and being in direct con tact with the interior thereof, threaded nipples screwed into and connecting the said lower portions of the side sections and the lower header, and exposed between the same, a

CLARENCE O. LONGARD. 

